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The purpose of this study is to demonstrate the safety of the delivery of ALD-401 by intracarotid infusion and to assess efficacy of treatment in subjects who have had unilateral, predominately cortical, ischemic strokes in the middle cerebral artery (MCA). ALD-401 is made from the stroke patient's bone marrow and infused 13-19 days after the stroke.
Full description
This is a randomized, sham-controlled, multi-center, parallel-group, study in male and female subjects, designed to determine the safety and efficacy of ALD-401 in treating primary ischemic stroke. Approximately 100 subjects will be randomized 3:2 within a site to the treatment or sham control arm. Subjects experiencing an ischemic stroke will undergo either a bone marrow or a sham harvest on days 11-17 and be dosed with ALD-401 or a sham procedure 13-19 days after the primary event. Bone marrow cells are processed, sorted and formulated into a 3 mL suspension of ALD-401. Two days after harvest, subjects in the ALD-401 group will have their processed bone marrow cells (ALD-401) injected via intracarotid/MCA infusion, while control subjects have a sham infusion. All subjects will be followed for 12 months to monitor safety and to assess mental and physical function.
This study seeks to demonstrate safety of ALD-401 derived from autologous bone marrow and given via intracarotid delivery in a therapeutic window of 13-19 days post primary stroke event. This dosing window was selected to allow post-stroke inflammatory response to recede and therefore minimize the impact of resident inflammatory cells on the administration of ALD-401. This dosing window was consistent with information derived from pre-clinical models. Intracarotid/MCA delivery may offer minimal loss or dilution of therapeutic cells prior to localization in and around the ischemic area of the brain. ALD-401 will be manufactured from the patient's own bone marrow harvested 11-17 days after the primary stroke event.
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100 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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